/var/lib/pcp/testsuite/postfix/qshape.sh is in pcp-testsuite 3.10.8build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38  | #! /bin/sh
queue="$1"
case "$queue" in
hold)
	cat <<EOF
                                         T  5 10 20 40 80 160 320 640 1280 1280+
                                  TOTAL 10  9  8  7  6  5   4   3   2    1     0
EOF
	;;
active)
	cat <<EOF
                                         T  5 10 20 40 80 160 320 640 1280 1280+
                                  TOTAL  0  1  0  1  0  1   0   1   0    1    10
EOF
	;;
incoming)
	cat <<EOF
                                         T  5 10 20 40 80 160 320 640 1280 1280+
                                  TOTAL  9  0  1  2  3  4   5   6   7    8     9
EOF
	;;
deferred)
	cat <<EOF
                                         T  5 10 20 40 80 160 320 640 1280 1280+
                                  TOTAL 10  9  8  7  6  5   4   3   2    1     0
EOF
	;;
maildrop)
	cat <<EOF
                                         T  5 10 20 40 80 160 320 640 1280 1280+
                                  TOTAL  0  1  2  3  4  5   6   7   8    9    10
EOF
	;;
*)
 	echo "Unrecognised queue name: $queue" 1>&2
esac
 |